Python 编程基础

pip install beautifulsoup4 requests

from bs4 import BeautifulSoup import requests # 获取网页内容 url = "https://example.com" response = requests.get(url) html_content = response.text # 创建 BeautifulSoup 对象 soup = BeautifulSoup(html_content, "html.parser") # 查找元素 title = soup.find("title").text print("网页标题:", title) # 查找所有链接 links = soup.find_all("a") for link in links: href = link.get("href") text = link.text.strip() if href and text: print(f"链接: {text} -> {href}") # 按类名查找 divs = soup.find_all("div", class_="content") for div in divs: print("内容:", div.text[:100])